package me.longerian.demo.singlechoice.widget;
///*
// * Copyright (C) 2007 The Android Open Source Project
// *
// * Licensed under the Apache License, Version 2.0 (the "License");
// * you may not use this file except in compliance with the License.
// * You may obtain a copy of the License at
// *
// *      http://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//
//package me.yek.demo;
//
//import android.content.Context;
//import android.content.res.TypedArray;
//import android.graphics.Canvas;
//import android.graphics.drawable.Drawable;
//import android.util.AttributeSet;
//import android.view.Gravity;
//import android.view.accessibility.AccessibilityEvent;
//import android.widget.Checkable;
//import android.widget.TextView;
//
//
///**
// * An extension to TextView that supports the {@link android.widget.Checkable} interface.
// * This is useful when used in a {@link android.widget.ListView ListView} where the it's 
// * {@link android.widget.ListView#setChoiceMode(int) setChoiceMode} has been set to
// * something other than {@link android.widget.ListView#CHOICE_MODE_NONE CHOICE_MODE_NONE}.
// *
// */
//public class CheckedTextView extends TextView implements Checkable {
//    private boolean mChecked;
//    private int mCheckMarkResource;
//    private Drawable mCheckMarkDrawable;
//    private int mBasePaddingRight;
//    private int mCheckMarkWidth;
//
//    private static final int[] CHECKED_STATE_SET = {
//        android.R.attr.state_checked
//    };
//
//    public CheckedTextView(Context context) {
//        this(context, null);
//    }
//
//    public CheckedTextView(Context context, AttributeSet attrs) {
//        this(context, attrs, 0);
//    }
//
//    public CheckedTextView(Context context, AttributeSet attrs, int defStyle) {
//        super(context, attrs, defStyle);
//
//        TypedArray a = context.obtainStyledAttributes(attrs,
//                R.styleable.CheckedTextView, defStyle, 0);
//
//        Drawable d = a.getDrawable(R.styleable.CheckedTextView_checkMark);
//        if (d != null) {
//            setCheckMarkDrawable(d);
//        }
//
//        boolean checked = a.getBoolean(R.styleable.CheckedTextView_checked, false);
//        setChecked(checked);
//
//        a.recycle();
//    }
//
//    public void toggle() {
//        setChecked(!mChecked);
//    }
//    
//    public boolean isChecked() {
//        return mChecked;
//    }
//
//    /**
//     * <p>Changes the checked state of this text view.</p>
//     *
//     * @param checked true to check the text, false to uncheck it
//     */
//    public void setChecked(boolean checked) {
//        if (mChecked != checked) {
//            mChecked = checked;
//            refreshDrawableState();
//        }
//    }
//
//
//    /**
//     * Set the checkmark to a given Drawable, identified by its resourece id. This will be drawn
//     * when {@link #isChecked()} is true.
//     * 
//     * @param resid The Drawable to use for the checkmark.
//     */
//    public void setCheckMarkDrawable(int resid) {
//        if (resid != 0 && resid == mCheckMarkResource) {
//            return;
//        }
//
//        mCheckMarkResource = resid;
//
//        Drawable d = null;
//        if (mCheckMarkResource != 0) {
//            d = getResources().getDrawable(mCheckMarkResource);
//        }
//        setCheckMarkDrawable(d);
//    }
//
//    /**
//     * Set the checkmark to a given Drawable. This will be drawn when {@link #isChecked()} is true.
//     *
//     * @param d The Drawable to use for the checkmark.
//     */
//    public void setCheckMarkDrawable(Drawable d) {
//        if (d != null) {
//            if (mCheckMarkDrawable != null) {
//                mCheckMarkDrawable.setCallback(null);
//                unscheduleDrawable(mCheckMarkDrawable);
//            }
//            d.setCallback(this);
//            d.setVisible(getVisibility() == VISIBLE, false);
//            d.setState(CHECKED_STATE_SET);
//            setMinHeight(d.getIntrinsicHeight());
//            
//            mCheckMarkWidth = d.getIntrinsicWidth();
//            mPaddingRight = mCheckMarkWidth + mBasePaddingRight;
//            d.setState(getDrawableState());
//            mCheckMarkDrawable = d;
//        } else {
//            mPaddingRight = mBasePaddingRight;
//        }
//        requestLayout();
//    }
//    
//    @Override
//    public void setPadding(int left, int top, int right, int bottom) {
//        super.setPadding(left, top, right, bottom);
//        mBasePaddingRight = mPaddingRight;
//    }
//
//    @Override
//    protected void onDraw(Canvas canvas) {
//        super.onDraw(canvas);
//
//        final Drawable checkMarkDrawable = mCheckMarkDrawable;
//        if (checkMarkDrawable != null) {
//            final int verticalGravity = getGravity() & Gravity.VERTICAL_GRAVITY_MASK;
//            final int height = checkMarkDrawable.getIntrinsicHeight();
//
//            int y = 0;
//
//            switch (verticalGravity) {
//                case Gravity.BOTTOM:
//                    y = getHeight() - height;
//                    break;
//                case Gravity.CENTER_VERTICAL:
//                    y = (getHeight() - height) / 2;
//                    break;
//            }
//            
//            int right = getWidth();
//            checkMarkDrawable.setBounds(
//                    right - mCheckMarkWidth - mBasePaddingRight, 
//                    y, 
//                    right - mBasePaddingRight, 
//                    y + height);
//            checkMarkDrawable.draw(canvas);
//        }
//    }
//    
//    @Override
//    protected int[] onCreateDrawableState(int extraSpace) {
//        final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
//        if (isChecked()) {
//            mergeDrawableStates(drawableState, CHECKED_STATE_SET);
//        }
//        return drawableState;
//    }
//
//    @Override
//    protected void drawableStateChanged() {
//        super.drawableStateChanged();
//        
//        if (mCheckMarkDrawable != null) {
//            int[] myDrawableState = getDrawableState();
//            
//            // Set the state of the Drawable
//            mCheckMarkDrawable.setState(myDrawableState);
//            
//            invalidate();
//        }
//    }
//
//    @Override
//    public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
//        boolean populated = super.dispatchPopulateAccessibilityEvent(event);
//        if (!populated) {
//            event.setChecked(mChecked);
//        }
//        return populated;
//    }
//}
